TRAPS & PITFALLS
For the most part this isn't too difficult as long as they remember the things covered earlier in the year with dilations. The only real issue is to alter ratios from piece comparison (1:3) to scale factor (1/4). Dilation is based on amount of the whole whereas most ratios are provided comparing to each other.
The student needs to use a reduction dilation to be able to perform this objective which is an earlier objective. The concept of slope is also a very important foundational understanding here.
Ultimately this is about ratios and coordinates which do show up in different shapes and problems later on. This also bridges a student from 'directed line segments' to VECTORS.